unprotected

1. Lacking protection or defense (synset 301892506)
   also:

   • insecure, unsafe - lacking in security or safety
   • susceptible - (often followed by `of' or `to') yielding readily to or capable of
   • vulnerable - susceptible to attack
   similar to:

   • exposed, open - with no protection or shield
   • defenseless, naked - having no protecting or concealing cover
   • unshielded - (used especially of machinery) not protected by a shield

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